Holmium Acetate Powder (Ho(O2C2H3)3) Description
Holmium Acetate (Ho(O₂C₂H₃)₃) is a
rare earth metal salt composed of holmium and acetic acid. It typically appears
as a pale pink to off-white crystalline or powdery solid that is hygroscopic,
meaning it readily absorbs moisture from the air. The compound is highly
soluble in water and polar organic solvents such as ethanol and methanol,
allowing it to be easily incorporated into aqueous or solvent-based systems for
material synthesis or research applications.
Chemically, holmium acetate is relatively
stable under normal conditions, but it should be kept in a dry, airtight
container to prevent hydrolysis or degradation due to humidity. When heated, it
decomposes to form holmium oxide (Ho₂O₃), releasing acetic acid vapors. This
thermal decomposition is often utilized in the production of high-purity
holmium oxide for ceramics or optical applications.
Holmium itself exhibits strong
paramagnetic properties and sharp optical absorption bands, making its
compounds, including holmium acetate, useful in optical coatings, phosphors,
lasers, and magnetic materials. In solution, holmium ions form mildly acidic
solutions, and the acetate ligand can coordinate in different ways, affecting
reactivity and solubility. Its well-defined molecular structure and reactivity
make it suitable as a precursor in both academic research and industrial
material synthesis.
Holmium Acetate Powder (Ho(O2C2H3)3) Applications
·
Optical Materials: Used as a precursor for
holmium-doped materials in laser systems and optical fibers due to holmium’s
sharp emission lines, especially in the infrared range.
·
Magnetic Materials: Employed in the production
of materials with strong magnetic properties, as holmium has one of the highest
magnetic moments of all elements.
·
Ceramics and Glass: Utilized in specialty
glass and ceramic formulations to impart color or enhance thermal and optical
performance.
·
Chemical Synthesis: Acts as a starting
material for producing other holmium compounds, including oxides, fluorides,
and phosphates.
·
Catalysis Research: Investigated as a
component in catalytic systems where rare earth elements play a role in
promoting or stabilizing reactions.
·
Nuclear Technology: Considered in research for
control materials in nuclear reactors due to holmium’s high neutron absorption
cross-section.
·
Scientific Studies: Used in laboratory
settings to study coordination chemistry, spectroscopy, and material science
involving lanthanide elements.
Holmium Acetate Powder (Ho(O2C2H3)3) Packaging
Our products are packaged in customized cartons of various
sizes based on the material dimensions. Small items are securely packed in PP
boxes, while larger items are placed in custom wooden crates. We ensure strict
adherence to packaging customization and the use of appropriate cushioning
materials to provide optimal protection during transportation.
Packaging: Carton, Wooden Box, or Customized.
Kindly review the packaging
details provided for your reference.
Manufacturing Process
1. Testing Method
(1) Chemical Composition Analysis - Verified using techniques
such as GDMS or XRF to ensure compliance with purity requirements.
(2) Mechanical Properties Testing - Includes tensile strength,
yield strength, and elongation tests to assess material performance.
(3) Dimensional Inspection - Measures thickness, width, and
length to ensure adherence to specified tolerances.
(4) Surface Quality Inspection - Checks for defects such as
scratches, cracks, or inclusions through visual and ultrasonic examination.
(5) Hardness Testing - Determines material hardness to confirm
uniformity and mechanical reliability.
Please refer to the SAM testing procedures for detailed information.
Holmium Acetate Powder (Ho(O2C2H3)3) FAQs
Q1. Is Holmium Acetate stable under normal conditions?
Yes, it is stable at room temperature when kept dry, but it
can decompose upon heating, releasing acetic acid and forming holmium oxide.
Q2. How should it be stored?
Store in a cool, dry place in a sealed container to prevent
moisture absorption and degradation.
Q3. Can it be used in lasers?
Indirectly, yes. Holmium acetate is used to prepare
holmium-doped materials that are key components in laser systems.
Performance Comparison Table with Competitive Products
|
Property
|
Dysprosium(III) Acetate Hydrate Powder
|
Holmium Acetate Powder
|
|
Chemical Composition
|
(CH₃CO₂)₃Dy · 4H₂O
|
Ho(O₂C₂H₃)₃
|
|
Molar Mass
|
~458.7 g/mol
|
~462.6 g/mol
|
|
Appearance
|
White to off-white crystalline powder
|
White crystalline powder
|
|
Solubility
|
Soluble in water and polar solvents, soluble in acids
|
Soluble in water and polar solvents, soluble in acids
|
|
Magnetic Properties
|
Strongly paramagnetic, used in magnets and magnetic
materials
|
Strongly paramagnetic, used in magnets and magnetic materials
|
|
Key Applications
|
- High-performance magnets
|
- High-performance magnets
|
|
- Phosphors in lighting and displays
|
- Phosphors for lighting and laser materials
|
|
- Laser materials and optical devices
|
- Laser materials, particularly in medical and scientific
fields
|
|
- Magnetic refrigeration research
|
- Medical imaging (MRI contrast agents)
|
Related Information
1. Common Preparation Methods
Holmium acetate is commonly synthesized by reacting holmium
oxide (Ho₂O₃) with acetic acid. First, holmium oxide is added gradually to a
solution of glacial acetic acid, usually under gentle heating and stirring. As
the reaction proceeds, the solid oxide dissolves and reacts with the acid to
form holmium acetate in solution. Once all the oxide has reacted and the
solution becomes clear, the mixture is concentrated under reduced pressure to
remove excess acetic acid and water. Upon cooling, holmium acetate crystallizes
out as a pale pink solid. The product can then be filtered, washed with a small
amount of cold ethanol to remove impurities, and dried under vacuum or at
moderate temperatures to obtain the anhydrous or hydrated powder.
